Two carpenters are discussing HVAC/R systems in home construction. Carpenter A says that the HVAC/R system is usually installed in a home after all of the interior drywall is installed and all the finish carpentry has been completed. Carpenter B says that the maintenance of temperature, humidity, air purity, and air volume inside a building is called comfort control. Which one of the following statements is correct?
A. Only Carpenter A is correct.
B. Only Carpenter B is correct.
C. Both Carpenter A and Carpenter B are correct.
D. Neither Carpenter A nor Carpenter B is correct.